I haven't owned my '87 Westfalia long enough yet to have used the optional "air
brake" that is installed on the roof.

To lessen the impact on drag, if one's camper is equipped with the three-window
poptop canvas, having all windows unzipped at speed would give new meaning to
"flow-through ventilation."

Dan

Eric Giroux wrote:

> I did the same...twice!  Within a week of getting the westy.
>
> Any list members did NOT drive with the top up, ever ?  You are heroes.
>
> Now, how about the old westies that had the top openned backwards?  Did it
> improve aerodynamics?  ;)
>
> �G
>
> >No lie!  I drove 15 miles once with the top up and it was an absolute slug
> >above 45 mph!  When I got out and looked, my eyes bugged out like a
> >tromped-on toad's...
> >d
> >David Beierl - Providence, RI
> >  http://pws.prserv.net/synergy/Vanagon/
> >'84 Westy "Dutiful Passage"
> >'85 GL "Poor Relation"
> >